DR. JOHN M GERWIN M.D.
NPI 1619981362
Otolaryngology in Birmingham, AL

NPI Status: Active since July 28, 2006

Contact Information

833 SAINT VINCENTS DR
POB# 3 SUITE 402
BIRMINGHAM, AL
ZIP 35205
Phone: (205) 933-9236
Fax: (205) 933-9213

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  • Individual
  • Male
  • Otolaryngology

About JOHN GERWIN

This page provides the complete NPI Profile along with additional information for John Gerwin, a provider established in Birmingham, Alabama with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1619981362 assigned on July 2006. The practitioner's primary taxonomy code is 207Y00000X with license number 7429 (AL). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1619981362
Provider Name
DR. JOHN M GERWIN M.D.
Gender
Male
Entity Type
Individual
Location Address
833 SAINT VINCENTS DR POB# 3 SUITE 402 BIRMINGHAM, AL 35205
Location Phone
(205) 933-9236
Location Fax
(205) 933-9213
Mailing Address
833 SAINT VINCENTS DR POB# 3 SUITE 402 BIRMINGHAM, AL 35205
Mailing Phone
(205) 933-9236
Mailing Fax
(205) 933-9213
Is Sole Proprietor?
No
Enumeration Date
07-28-2006
Last Update Date
08-10-2012
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Otolaryngology

Taxonomy Code
207Y00000X
Type
Allopathic & Osteopathic Physicians
License No.
7429
License State
AL
Taxonomy Description
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
000002248MEDICAID (05)AL 
C71205MEDICARE UPIN (02)AL 
000002248MEDICARE PIN (08)AL 

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1619981362, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 9 → 18 → 9 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 2 + 9 + 1 + 8 + 8 + 2 + 3 + 1 + 2 + 24 = 68

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1619981362.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Ophthalmology
833 SAINT VINCENTS DR, STE 207 POB 3
BIRMINGHAM, AL 35205
Internal Medicine (Infectious Disease)
833 SAINT VINCENTS DR, POB III SUITE 300
BIRMINGHAM, AL 35205
Internal Medicine (Gastroenterology)
833 SAINT VINCENTS DR, POB III SUITE 300
BIRMINGHAM, AL 35205
Internal Medicine
833 SAINT VINCENTS DR, POB III SUITE 300
BIRMINGHAM, AL 35205
Audiologist
833 SAINT VINCENTS DR, SUITE 402
BIRMINGHAM, AL 35205
Psychiatry & Neurology (Neurology)
833 SAINT VINCENTS DR, SUITE 501 POB III
BIRMINGHAM, AL 35205
Psychiatry & Neurology (Neurology)
833 SAINT VINCENTS DR, SUITE 501
BIRMINGHAM, AL 35205
Audiologist
833 SAINT VINCENTS DR, POB#3 SUITE 402
BIRMINGHAM, AL 35205
Audiologist
833 SAINT VINCENTS DR, SUITE 402
BIRMINGHAM, AL 35205
Audiologist
833 SAINT VINCENTS DR, POB 3, SUITE 402
BIRMINGHAM, AL 35205
Hearing Instrument Specialist
833 SAINT VINCENTS DR, STE 402
BIRMINGHAM, AL 35205
Technician/Technologist (Ophthalmic)
833 SAINT VINCENTS DR, POB 3 SUITE 207
BIRMINGHAM, AL 35205
Orthopaedic Surgery
833 SAINT VINCENTS DR, SUITE 403
BIRMINGHAM, AL 35205
Orthopaedic Surgery (Sports Medicine)
833 SAINT VINCENTS DR, BLDG. 3, SUITE 403
BIRMINGHAM, AL 35205
Otolaryngology
833 SAINT VINCENTS DR, POB#3 SUITE 402
BIRMINGHAM, AL 35205
Audiologist-Hearing Aid Fitter
833 SAINT VINCENTS DR, POB#3 STE 402
BIRMINGHAM, AL 35205
Clinic/Center (Medical Specialty)
833 SAINT VINCENTS DR, SUITE 201
BIRMINGHAM, AL 35205
Audiologist
833 SAINT VINCENTS DR, POB #3 - SUITE 402
BIRMINGHAM, AL 35205
Audiologist
833 SAINT VINCENTS DR
BIRMINGHAM, AL 35205
Family Medicine
833 SAINT VINCENTS DR, STE 402
BIRMINGHAM, AL 35205

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619981362, enumerated as an "individual" on July 28, 2006.

The provider is located at 833 SAINT VINCENTS DR POB# 3 SUITE 402 BIRMINGHAM, AL 35205 and the phone number is (205) 933-9236.

Otolaryngology with taxonomy code 207Y00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.